Spencer Award goes to Iowa farm family ; From the Field: David, Diane and Dresden Petty ; A look at the Leopold Center and budget issues ; Director column: An open letter to Iowans ; Leopold Center issues first request for proposals since 2001 ; Leopold Center shares in ISU budget cuts ; Grass-based dairies hold promise for southern Iowa producers ; A tale of two local food projects ; Checking the food odometer: How far does your food travel? ; Doing good by eating well: Capturing the 'taste of place'